MOA 2017-BLG-447

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Event Parameters

Internal ID:	gb1-R-8-12550
Discovery date:	2017-09-02T11:25:48
RA:	17:47:38.23
Dec:	-34:20:27.21
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
205785	17:47:38.39	-34:20:31.18	17.81 ± 0.12	4.39
205923	17:47:38.14	-34:20:25.19	18.72 ± 0.20	2.75
205991	17:47:38.02	-34:20:30.11	19.00 ± 0.22	3.11
206105	17:47:37.82	-34:20:26.29	18.54 ± 0.15	4.93

Last 5 photometry measurements

Observation date	I mag	seeing
2460245.923 (2023-Oct-28.423)	99.99 ± 99.99	3.47
2460245.937 (2023-Oct-28.437)	99.99 ± 99.99	3.63
2460246.859 (2023-Oct-29.359)	99.99 ± 99.99	3.83
2460246.892 (2023-Oct-29.392)	99.99 ± 99.99	3.66
2460246.926 (2023-Oct-29.426)	99.99 ± 99.99	3.72

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 0.00)

Single lens fit parameters

t_max	=	JD 2458001.20	±	0.02 UT (2017-Sep-4.70)
t_E	=	41.45	±	1.96 days
u₀	=	0.0117	±	0.0006
I_base	=	20.50	±	0.28

External data

Gzipped FITS finder chart

All photometry data

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